Collapsible saw horse



FIG. 1 is a perspective view of a collapsible saw horse, showing our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is an enlarged partial view of a portion thereof, taken from FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged view of a portion thereof, taken from FIG. 4;

FIG. 7 is a right side elevation view thereof;

FIG. 8 is a rear elevation view thereof; and,

FIG. 9 is a front elevation view thereof.

The broken lines shown in the drawings depict portions of the collapsible saw horse that form no part of the claimed design. 

CLAIM The ornamental design for a collapsible saw horse, as shown and described. 